Recently purchased a matte black iphone 7. Noticed that when you top the top of the screen it feels different, and makes almost a rattling noise. Also when the phone is tapped on the back on the top half it distinctly rattles as well. It also does this when placed on soft surfaces. Is this normal? If not what should I do? I understand that it could be the camera but it is annoying when I tap the top of my screen.
I did not find the right solution from the internet